PART XI SCAFFOLDS, STAGES AND WORK PLATFORMS — Tiebacks
226
(1) A cornice hook, parapet clamp or thrust-out beam shall be secured by a tieback to a solid anchorage on the building or structure or to another parapet clamp secured on the far side of the structure.
226(2)
The securing, rigging and anchorage required under subsection (1) shall have an ultimate strength of at least 22.2 kilonewtons.
226(3)
A tieback referred to in subsection (1) shall, to the extent practicable, be rigged at a right angle to the building face.
Not legal advice. Verify the cited article against the signed agreement.